<nav>
    <img src="/images/logo.png" alt="bilibili会员购" class="logo">
    <a href="javascript:;" class="header-nav-mainstation" id="zhuzhan">
        <i class="iconfont icon-bilibili"></i>
        <span>主站</span>
    </a>
    <div class="header-nav-search">
        <input type="text" placeholder="活动、嘉宾、场馆">
        <i class="iconfont icon-sousuo"></i>
    </div>
    <div class="header-nav-lore">
        <a href="/html/register.html">注册</a>
        <span>|</span>
        <a href="/html/login.html">登录</a>
    </div>
    <div class="header-nav-welcome">
        欢迎你，<span></span>
    </div>
    <div class="header-nav-order">
        <a>
            <i class="iconfont icon-dingdan"></i>
            <span>订单中心</span>
        </a>
    </div>
</nav>